Information recording and reproducing apparatus

OPT OpenIR > 半导体激光器专利数据库

	Information recording and reproducing apparatus
其他题名	Information recording and reproducing apparatus
	KASAMA, NOBUYUKI; OUMI, MANABU; MITSUOKA, YASUYUKI; MAEDA, HIDETAKA; KATO, KENJI; NIWA, TAKASHI
	2002-01-24
专利权人	SEIKO INSTRUMENTS INC.
公开日期	2002-01-24
授权国家	美国
专利类型	发明申请
摘要	To provide an information recording and reproducing apparatus for supplying light for generating near-field light to a near-field light head, generating a sufficiently large amount of near-field light at a vicinity of a very small opening and realizing reproduction and recording with ultra high resolution, recording and reproduction at high speed and high SN ratio formation, in an information recording and reproducing apparatus constituted by a record medium 107, a light source 101, a suspension arm 109, a flexure 110 fixed to the suspension arm 109, a near-field light head 301 fixed to the flexure 110 and having a very small opening on a side of the record medium 107, a light guiding structure 103 for guiding light flux from the light source 101 to the near-field light head 301 and a light receiving portion 108, the very small opening and an optical wave guide for guiding light to the very small opening are disposed on the same side of the near-field light head and the light guiding structure is constituted by an optical propagating portion fixed to the suspension arm, an optical coupling portion fixed to the near-field light head and an optical connecting portion for optically connecting the optical propagating portion and the optical coupling portions.
其他摘要	本发明提供一种信息记录和再现装置，用于向近场光头提供用于产生近场光的光，在非常小的开口附近产生足够大量的近场光，并实现超级再现和记录。在由记录介质107，光源101，悬架臂109，固定到悬架臂109的挠曲件110构成的信息记录和再现装置中，高速，高SN比形成的高分辨率，记录和再现，a近场灯头301固定在弯曲部分110上并且在记录介质107的一侧具有非常小的开口，用于将光通量从光源101引导到近场光头301的导光结构103和光接收部分108，非常小的开口和用于将光引导到非常小的开口的光波导设置在近场光头和光导s的同一侧结构由固定到悬臂的光学传播部分，固定到近场光头的光学耦合部分和用于光学连接光学传播部分和光学耦合部分的光学连接部分构成。
主权项	An information recording and reproducing apparatus which is an information recording and reproducing apparatus for recording or reproducing information by utilizing near-field light, the information recording and reproducing apparatus comprising: a flexure fixed to a suspension arm; a near-field light head fixed to the flexure and having a very small opening; a light guiding structure for guiding light flux from a light source to the near-field light head; and a light receiving portion; wherein the very small opening and an optical waveguide for guiding light to the very small opening are disposed on a same side of the near-field light head; and wherein the light guiding structure comprises an optical propagating portion fixed to the suspension arm, an optical coupling portion fixed to the near-field light head, and an optical connecting portion for optically connecting the light propagating portion and the light coupling portion.
申请日期	2001-04-11
专利号	US20020009262A1
专利状态	失效
申请号	US09/833144
公开（公告）号	US20020009262A1
IPC 分类号	G01Q30/04 \| G01Q60/18 \| G01Q60/22 \| G01Q80/00 \| G02B6/12 \| G02B6/32 \| G02B6/34 \| G11B7/09 \| G11B7/12 \| G11B7/122 \| G11B7/124 \| G11B7/135 \| G11B7/1353 \| G11B7/1359 \| G11B7/1387 \| G11B7/22 \| G11B11/105
专利代理人	-
代理机构	-
文献类型	专利
条目标识符	http://ir.opt.ac.cn/handle/181661/52409
专题	半导体激光器专利数据库
作者单位	SEIKO INSTRUMENTS INC.
推荐引用方式 GB/T 7714	KASAMA, NOBUYUKI,OUMI, MANABU,MITSUOKA, YASUYUKI,et al. Information recording and reproducing apparatus. US20020009262A1[P]. 2002-01-24.